Permutation-padlock.



PATENTED MAY 10, 1904 lil l 'il unil! IIII I UNITED STATES Patented May 10, 1904.

SAMUEL W. K. MILLER, OF HAGERSTOVVN, MARYLAND.

PERMUTATlON-PADLOCK.

SPECIFICATION forming part of Letters Patent No. 759,540, dated May 10, 1904.

Application led July 9, 1903. Serial No. 164,878. (No model.)

To all whom, t may concern:

Be it known that I, SAMUEL W. K. MILLER, a citizen of the United States, residing at Hagerstown, in the county of Vashington and State of Maryland, have invented certain new and useful Improvements in Permutation-Padlocks; and l do declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, and to the letters of reference marked thereon, which form a part of this specification. A

This invention relates to new and useful improvemen ts in permutation-padlocks comprising a casing with shackle pivoted thereto and a spring-actuated tumbler which is notched and adapted to engage the free end of the shackle and an indicating-disk having means whereby the tumbler may be raised out or' registering notches in a series of disks.

The invention consists, further, in various details of construction and in combinations and arrangements oi' parts, which will be hereinafter fully described and then speciiically defined in the appended claims.

My invention is illustrated in the accompanying drawings, in whicht Figure 1 is a side elevation of my improved lock. Fig. 2 is a plan view with one side of the casing removed. Fig. 3 is an end elevation. Fig. 4t is a detail view of the spring-actuated f tumbler. Fig. 5 is a sectional view on line 5 5 of Fig. 2, showing the means for throwing' the bolt out of engagement with the notches oil the disks. Fig. 6 is a sectional view on line 6 6 of Fig. 2, showing parts of the invention in elevation. Fig. 7 is a plan view of the cover of the casing, and Fig. 8 is an edge View;

Reference now-being had to the details of the drawings by letter, A designates the casing of my improved padlock, and pivotally mounted on a pin B, which is mounted in apertures in the partition A and also in the rear wall of the casing, is a shackle C, one end of which is notched, as at and is designed to enter a recess a in the casing. Mounted upon the bracket-arms l) and D, which project from the inner wall of the casing, is a tumbler E, which is bent in angular shape, as illustrated in the detail view of the drawings, said tumbler having one end E bent at an angle, with a hook-shaped portion e designed when said tumbler is moved in one direction toward the shackle when the latter is at its lowest throw, as disclosed in Fig. 2, to engage the notch in the free end of said shackle to hold the free end thereof in a locked relation. Said tumbler is bent at right angles at F, comprising a portion which rests upon one of said brackets, and the portion which is bent at right angles at F is adapted to engage recesses in the disks H, which are journaled upon the post K, one end of which post is fitted in an aperture in the recessed portion of the casing, while its other end has a bearing in the hub portion of the indicator or numeral-carrying disk N. Said disks H, having recesses H therein, have lugs n projecting from their opposite .faces in alinement witheach other and are provided to rotate the various disks when the pins come in contact to bring the various recesses in the disks in alinement to receive the tumbler, which is thrown into said disks when in registration by means of a spring M, Whichis coiled about a post Q, one end of said spring bearing against the inner wall et' the casing, while the other engages said tumbler and is adapted to hold the same normally when said recesses are in registration in alinement with the tumbler when at its farthest inner throw.

A plate R, having flexible arms R', is secured to the inner` face of the rear walls of the casing, and said arms are curved, as shown, and adapted to bear against the several disks with suiiicient friction to prevent the same from accidental rotation. Said indicator-disk N has numerals about its circumference and has a hub portion N2, in which the shaft carrying the disk has a bearing, which is recessed at i s, one Wall of said recess being cut away, forming a cam-surface which is adapted to engage a shoulder upon said tumbler for the purpose of throwing said tumbler out of the recesses in the disk as the indicatorwheel is rotated for the purpose of locking the shackle. A bracket-armT projects from a partition T' in the casing and through which partition the shank portion of the indicating- IOO wheel turns, said bracket-arm T being provided for the purpose of holding one end of the spring-actuated tumbler' in place. A suitable milled head to the indicator-wheel is provided whereby the latter may be easily rotated. It will be observed that the circumference of said indicator-wheel is mounted in an aperture in the circumference of the padlock-casing', and portions of said indicatingwheel diametrically opposite may be seen on opposite sides of the casing.

The cover of the casing (indicated in the drawings by letter P) has a notch P, adapted to register with the recess spanned by the shackle, and has an indicating-point P2 adjacent to the indicator-wheel, whereby a numeral may be positioned at the proper place when working the combination. The inner face of the cover is provided with a bracket-arm J, having an aperture J therein, which when the cover is applied to the casing is in registration with an aperture D2 in the bracketarm D, while a bracket-arm J 2, projecting from the lower portion of the cover, has an aperture J3 therein, which is adapted to register with a screw-threaded aperture in the partition in the casing adjacent to the indicating- Wheel. Said apertures described are provided to receive a bolt G, which after being passed through the apertures may engage its threaded end in the threaded aperture in said partition for the purpose of holding the cover to the casing and at the same time making it impossible to remove the bolt when the shackle is locked down over the outer end thereof. Said bracket-arm J 2 has a recessed portion J4, which is adapted to receive the shank portion of the indicator-wheel when the cover is closed and serves to hold the shaft carrying the disk securely in place. It will be observed that when the cover is closed and locked in the casing one end of said bolt Will be held from removal by means of the cover, thus making it impossible to drive the bolt or pin out of the casing in order to have access to the interior thereof.

The operation of my padlock willbe readily understood and is as follows: Whenthe shackle is locked, the angled end of the springactuated tumbler is held in the notch in the shackle and a portion of the tumbler is held out of the recesses in the recessed disks. When it is desired to unlock the shackle, the combination is so operated as to bring the various recesses in the disks in alinement with the tumbler, after which the spring bearing against the latter will throw the tumbler into said recesses and the angled end thereof out of the notches in the shackle. In locking the bolt the shackle is pushed into its inner limit and the indicating-disk turned,by which movement the hub of the indicating-wheel will bear against the tumbler and throw the same out of the notches, and the circumference of the hub bearing against the edge of the tumbler will hold the same against the recesses therein, thus securely locking the shackle until the recesses of the disk are again brought into alinement with said tumbler.

/Vhile I have shown a particular construction of permutation-padlock embodying the features of my invention, it will be understood that I may make changes in the detailed construction of the same without departing from the spirit of the invention.

Having thus fully described my invention, what I claim as new, and desire to secure by Letters Patent, isM

l. A permutation-padlock comprising a casing, a shackle pivoted thereto, a spring-actuated tumbler having an angled end adapted to engage a notch in the free end of the shackle, a series of notched disks, an indicating-disk having an integral cam-shaped portion adapted to raise the tumbler out of registering notches in said disk, as set forth.

2. A permutation-padlock comprising a casing, a shackle pivoted thereto, a spring-actuated tumbler having an angled end designed to engage a notch in the free end of the shackle, a series of notched disks, an indicating-disk mounted in the casing and having a contracted portion swiveled in a partition of the casing and a hub portion which is recessed with one edge of the recess forming a cam-surface for raising the tumbler out of the registering notches of said disk, and means for rotating the tumblers, as set forth.

3. A permutation-padlock comprising a casing, a shackle pivoted thereto, a spring-actuated angled tumbler adapted for engagement with the notch in said shackle, an indicatingdisk, a shaft fixed at one end to said casing and at the other end forming a bearing for said indicating-disk, a series of notched disks journaled upon said shaft having lugs projecting from their opposite faces, a recess in the hub portion of said indicating-disk, one edge of said recess being cam-shaped and adapted to throw the tumbler out of the notches of said disk, as shown and described.

4. A permutation-padlock comprising a casing, a shackle pivoted thereto, a spring-actuated tumbler having an angled end adapted to engage a notch in said shackle, a shaft having one end iXed in the casing underneath said shackle, an indicating-disk turning in an aperture in the casing opposite the fixed end of said shaft and in which one end of said shaft has bearing, a series of notched disks journaled upon said shaft provided with lugs on the opposite faces thereof, the hub portion of said indicating-disk having a notch with one wall thereof formed cam-shaped for raising the tumbler out of the registering notches in said disk, as shown and described.

5. A permutation-padlock comprising a casing, a shackle pivoted thereto, a spring-actusions within said casing and forming guides IOO IOS

IIO

IIS

upon which the tumbler slides, an indicating'- disk the circumference of which turns in an aperture in the casing having concaved marginal edges, a contracted portion of the hub of said indicating-disk turning in a circular outlined aperture in a partition of the casing, a shackle xed at one end in said casing and its other end entering a recess in the hub of said indicating-disk, a series of notched disks journaled upon said shaft, and means, as the indicating-disk is rotated, for raising the tumbler out of the notches of said disk, as set forth.

6. A permutation-padlock comprising a casing, a shackle pivoted thereto, a spring-actuated tumbler having an angled end designed to engage the notch in the free end of the shackle, bracket-arms on which said tumbler slides, a series of notched disks, lugs on the opposite faeesthereof, a plate having' springarms frictionally engaging the circumferences of said disks, an indicating-disk mounted in van opening' in the circumference of the casing A. L. HOUGH, FRANKLIN H. HOUGH. 

